Quote - You can select any light (camera or object) and copy it.  Edit, Copy or Ctrl & C.  Open a Windows Notepad and choose Edit, Paste or Ctrl & V.  The parameters are copied to the Windows Clipboard and can be pasted into any text program.

As for your last post look into the Hierarchy Editor and choose Lights and Cameras.  This should give you an idea of which camera is attached to which light.

Best Wishes,
Rªnce

This does not show you everything about the light, particularly the shadows. Don't think this will let you copy and compare for matches.

 For example, the copied data never mentions raytraced shadow setting, raybias, blur radius, etc. Nor is there anything about the shadow camera in there. In other words, this is not how you should go about figuring out what is different about two lights.

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